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Finding the Fourth Proportional to 11,861.94, 17,792.51 and 5,624.94

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Solution

The fourth proportional to 11,861.94, 17,792.51 and 5,624.94 is: 8,437.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861.94 : 17,792.51 = 5,624.94 : x
  2. Step 2: Convert to fraction form
    11,861.94/17,792.51 = 5,624.94/x
  3. Step 3: Cross multiply
    11,861.94x = 17,792.51 × 5,624.94
  4. Step 4: Simplify right side
    11,861.94x = 100,081,773.07
  5. Step 5: Solve for x
    x = 100,081,773.07/11,861.94
  6. Step 6: Final answer
    x = 8,437.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.